Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5424730 | Method and apparatus for differentiating simultaneous and sequential key strokes | Kazuko Sasaki, Takashi Hazui, Hitoshi Ebihara, Akira Kamakura, Sadayoshi Sato | 1995-06-13 |